一个国家制度的质量是其长期经济表现的最重要决定因素。
In the past the man has been first; in the future the system must be first.
Safety is our top priority in all operations. No progress is worth compromising the well-being of our employees and communities.
科学中最激动人心的短语,预示着新发现的不是“我找到了!”而是“这有点奇怪……”